/// <summary>
/// Rotates the current Public key that is associated with this Account by the target ACME CA with a new Public key.
/// </summary>
/// <see cref="https://tools.ietf.org/html/draft-ietf-acme-acme-18#section-7.3.5"/>
public async Task <AcmeResponse <Protocol.Account> > AccountChangeKeyAsync(AsymmetricAlgorithm keyNew)
{
Logger.Info("Changing an ACME account key. Params:{@params}", keyNew);
var jws = new JsonWebSignature();
var jwk = new JsonWebKey(Key);
var jwkNew = new JsonWebKey(keyNew);
jws.SetPayload(new Protocol.Messages.ChangeKey
{
Account = Location,
Key = jwk,
});
jws.SetProtected(new JsonWebSignatureProtected
{
Algorithm = AlgorithmsEnum.RS256,
Url = Directory.KeyChange,
Key = jwkNew,
});
jws.Sign(keyNew);
var response = await Request(GetType(typeof(Protocol.Account)), Directory.KeyChange,
new RequestParams
{
Method = HttpMethod.Post,
Payload = jws
});
Key = keyNew;
return(response);
}
/// <summary>
/// Account create with external account binding.
/// </summary>
/// <see cref="https://tools.ietf.org/html/draft-ietf-acme-acme-12#section-7.3.5"/>
public async Task <AcmeResponse <Protocol.Account> > AccountCreateAsync(Protocol.Messages.NewAccount account, string kid, string keyMac)
{
Logger.Info("Creating a new ACME account with external account binding. Params:{@params}", new
{
Account = account,
KeyId = kid,
KeyMac = keyMac,
});
var jws = new JsonWebSignature();
jws.SetProtected(new JsonWebSignatureProtected
{
Algorithm = AlgorithmsEnum.HS256,
KeyID = kid,
Url = Directory.NewAccount,
});
jws.SetPayload(new JsonWebKey(Key));
var key = HMAC.Create("HMACSHA256");
key.Key = Base64Url.Decode(keyMac);
jws.Sign(key);
account.ExternalAccountBinding = jws;
return(await AccountCreateAsync(account));
}
public void Account_New_TermsOfService_Enabled_TermsOfServiceAgreed_False()
{
AcmeResponse response = null;
using var provider = Application.CreateProvider(o =>
{
o.TermsOfService = "https://some.com/acme/terms.pdf";
});
IAcmeController controller = (IAcmeController)provider.GetService(typeof(IAcmeController));
// Get nonce
response = controller.GetNonce(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-nonce",
Method = "HEAD",
});
// Create token
var accountKey = RSA.Create(2048);
var token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}new-acct",
Algorithm = AlgorithmsEnum.RS256,
Key = new JsonWebKey(accountKey),
Nonce = response.Headers.ReplayNonce,
});
token.SetPayload(new NewAccount
{
Contacts = new string[] { "mailto:[email protected]" },
TermsOfServiceAgreed = false,
});
token.Sign(accountKey);
// Create account
response = controller.CreateAccount(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-acct",
Method = "POST",
Token = token,
});
Assert.Equal(400, response.StatusCode);
var content = response.GetContent <Protocol.Error>();
Assert.Equal(Protocol.ErrorType.Malformed, content.Type);
Assert.NotNull(content.Detail);
}
public void Account_New_TermsOfService_Disabled()
{
AcmeResponse response = null;
using var provider = Application.CreateProvider();
IAcmeController controller = (IAcmeController)provider.GetService(typeof(IAcmeController));
// Get nonce
response = controller.GetNonce(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-nonce",
Method = "HEAD",
});
// Create token
var accountKey = RSA.Create(2048);
var token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}new-acct",
Algorithm = AlgorithmsEnum.RS256,
Key = new JsonWebKey(accountKey),
Nonce = response.Headers.ReplayNonce,
});
token.SetPayload(new NewAccount
{
Contacts = new string[] { "mailto:[email protected]" },
});
token.Sign(accountKey);
// Create account
response = controller.CreateAccount(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-acct",
Method = "POST",
Token = token,
});
Assert.Equal(201, response.StatusCode);
var content = response.GetContent <Protocol.Account>();
Assert.Single(response.Headers.Link);
Assert.Equal("https://test.server.com/acme/acct/1", response.Headers.Location);
Assert.NotNull(content);
Assert.NotNull(content.Key);
Assert.Null(content.TermsOfServiceAgreed);
}
public void Account_ChangeKey_DuplicateKey()
{
AcmeResponse response = null;
using var provider = Application.CreateProvider();
IAcmeController controller = (IAcmeController)provider.GetService(typeof(IAcmeController));
// Get nonce
response = controller.GetNonce(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-nonce",
Method = "HEAD",
});
// Create token
var accountKey = RSA.Create(2048);
var token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}new-acct",
Algorithm = AlgorithmsEnum.RS256,
Key = new JsonWebKey(accountKey),
Nonce = response.Headers.ReplayNonce,
});
token.SetPayload(new NewAccount
{
Contacts = new string[] { "mailto:[email protected]" },
});
token.Sign(accountKey);
// Create account
response = controller.CreateAccount(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-acct",
Method = "POST",
Token = token,
});
Assert.Equal(201, response.StatusCode);
// Create token
var duplicateKey = RSA.Create(2048);
token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}new-acct",
Algorithm = AlgorithmsEnum.RS256,
Key = new JsonWebKey(duplicateKey),
Nonce = response.Headers.ReplayNonce,
});
token.SetPayload(new NewAccount
{
Contacts = new string[] { "mailto:[email protected]" },
});
token.Sign(duplicateKey);
// Create account
response = controller.CreateAccount(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-acct",
Method = "POST",
Token = token,
});
Assert.Equal(201, response.StatusCode);
token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}key-change",
Algorithm = AlgorithmsEnum.RS256,
KeyID = $"{Application.BaseAddress}acct/1",
Nonce = response.Headers.ReplayNonce,
});
#region New key
var newKeyToken = new JsonWebSignature();
newKeyToken.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}key-change",
Algorithm = AlgorithmsEnum.RS256,
Key = new JsonWebKey(duplicateKey),
});
newKeyToken.SetPayload(new ChangeKey
{
Account = $"{Application.BaseAddress}acct/1",
Key = new JsonWebKey(accountKey),
});
newKeyToken.Sign(duplicateKey);
#endregion
token.SetPayload(newKeyToken);
token.Sign(accountKey);
// Update account
response = controller.ChangeKey(new AcmeRequest
{
Path = $"{Application.BaseAddress}key-change",
Method = "POST",
Token = token,
});
Assert.Equal(409, response.StatusCode);
Assert.Equal($"{Application.BaseAddress}acct/2", response.Headers.Location);
var content = response.GetContent <Protocol.Error>();
Assert.Equal(Protocol.ErrorType.Malformed, content.Type);
Assert.NotNull(content.Detail);
}
public void Account_Deactivate()
{
AcmeResponse response = null;
using var provider = Application.CreateProvider();
IAcmeController controller = (IAcmeController)provider.GetService(typeof(IAcmeController));
// Get nonce
response = controller.GetNonce(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-nonce",
Method = "HEAD",
});
// Create token
var accountKey = RSA.Create(2048);
var token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = $"{Application.BaseAddress}new-acct",
Algorithm = AlgorithmsEnum.RS256,
Key = new JsonWebKey(accountKey),
Nonce = response.Headers.ReplayNonce,
});
token.SetPayload(new NewAccount
{
Contacts = new string[] { "mailto:[email protected]" },
});
token.Sign(accountKey);
// Create account
response = controller.CreateAccount(new AcmeRequest
{
Path = $"{Application.BaseAddress}new-acct",
Method = "POST",
Token = token,
});
Assert.Equal(201, response.StatusCode);
token = new JsonWebSignature();
token.SetProtected(new JsonWebSignatureProtected
{
Url = response.Headers.Location,
Algorithm = AlgorithmsEnum.RS256,
KeyID = response.Headers.Location,
Nonce = response.Headers.ReplayNonce,
});
token.SetPayload(new UpdateAccount
{
Contacts = new string[] { "mailto:[email protected]" },
Status = Protocol.AccountStatus.Deactivated,
});
token.Sign(accountKey);
// Update account
response = controller.PostAccount(new AcmeRequest
{
Path = response.Headers.Location,
Method = "POST",
Token = token,
});
Assert.Equal(200, response.StatusCode);
var content = response.GetContent <Protocol.Account>();
Assert.Equal("mailto:[email protected]", content.Contacts[0]);
Assert.Equal(Protocol.AccountStatus.Deactivated, content.Status);
}
protected async Task <AcmeResponse> Request(
string url,
RequestParams @params = null
)
{
@params = @params ?? new RequestParams();
string content = null;
var request = new HttpRequestMessage(@params.Method, url);
if (@params.Payload != null)
{
var jws = new JsonWebSignature
{
Payload = "",
};
jws.SetProtected(new JsonWebSignatureProtected
{
Algorithm = AlgorithmsEnum.RS256,
Nonce = Nonce,
Url = url,
KeyID = @params.IncludePublicKey ? null : Location,
Key = @params.IncludePublicKey ? new JsonWebKey(Key) : null
});
if (!(@params.Payload is string))
{
jws.SetPayload(@params.Payload);
}
jws.Sign(Key);
content = JsonConvert.SerializeObject(jws, Formatting.Indented);
}
if (!string.IsNullOrEmpty(content))
{
request.Content = new StringContent(content);
request.Content.Headers.ContentType = MediaTypeHeader.JsonContentTypeHeaderValue;
}
// Copy headers to HTTP request from ACME request
foreach (var key in @params.Headers.AllKeys)
{
request.Headers.Add(key, @params.Headers.Get(key));
}
Logger.Debug("Request {method} {path} {token}", @params.Method, url, @params.Headers.ToString(), content);
var response = _http.SendAsync(request).Result;
// Get Replay-Nonce from response
IEnumerable <string> nonceList;
response.Headers.TryGetValues(HeaderCollection.ReplayNonceHeader, out nonceList);
Nonce = nonceList?.FirstOrDefault();
try
{
response.EnsureSuccessStatusCode();
}
catch (HttpRequestException)
{
string message = null;
string errorJson = null;
Protocol.Error error = null;
try
{
errorJson = await response.Content.ReadAsStringAsync();
try
{
error = JsonConvert.DeserializeObject <Protocol.Error>(errorJson);
message = $"{error.Type}: {error.Detail}";
Logger.Debug("ACME Error {@error}", error);
}
catch
{
Logger.Error("Cannot parse ACME Error from Client response");
Logger.Debug(errorJson);
}
}
catch (System.Exception e)
{
Logger.Error("Cannot parse content from Client response");
Logger.Debug(e);
}
AcmeException ex;
if (string.IsNullOrEmpty(message))
{
message = $"Unexpected response status code [{response.StatusCode}] for [{@params.Method}] request to [{url}]";
ex = new AcmeException(Protocol.ErrorType.ServerInternal, message, response.StatusCode);
}
else
{
ex = new AcmeException(error.Type, error.Detail, response.StatusCode);
}
Logger.Error(ex);
throw ex;
}
// Copy headers to ACME Response
var headers = new HeaderCollection();
foreach (var header in response.Headers)
{
headers.Add(header.Key, string.Join(", ", header.Value));
}
var acmeResponse = new AcmeResponse
{
StatusCode = (int)response.StatusCode,
Headers = headers,
Content = response.Content == null
? new MediaTypeContent("", new byte[0])
: new MediaTypeContent(
response.Content.Headers.ContentType?.MediaType ?? "",
await response.Content.ReadAsByteArrayAsync()),
};
Logger.Debug("Response {@response}", acmeResponse);
return(acmeResponse);
}